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Test your basic knowledge |
Biomedical Engineering Heart
Start Test
Study First
Subject
:
engineering
Instructions:
Answer 43 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Normal heart sounds are caused by
closure of the valves
atrium
arrhythmias
mediastinum
2. Veins that return blood to the right atrium
fibrullation
superior and inferior caval veins
aortic and pulmonary semilunar valves
venous return
3. Endocardium lines the chambers of the heart
fibrullation
endocardium
is smooth to prevent abnormal clotting within the heart
vagus nerves
4. Heart rate below 60 bpm
diastole
diastole
stroke volume
bradycardia
5. Cardiac muscle tissue
myocardium
tricuspid valve
superior and inferior caval veins
SA node
6. Prevents backflow of blood from the left ventricle to the left atrium
coronary arteries
bicuspid valve
tricuspid valve
cardiac reserve
7. Vessel into which the left ventricle pumps blood
bradycardia
aorta
endocardium
SA node
8. Heart chambers are lined with this
endocardium
stenosis...
cardiac reserve
sodium ions and water
9. Electical activity of the heart may be depicted in an
is smooth to prevent abnormal clotting within the heart
endocardium
diastole
ECG
10. Difference between resting cardiac output adn maximum exercise cardiac output
vagus nerves
60-80
fibrullation
cardiac reserve
11. 1st branches of teh ascending aorta
bradycardia
supply the heart with oxygenated blood
cardiac reserve
coronary arteries
12. Relaxation of chambers of the heart
60-80
venous return
diastole
bundle of His...
13. Outermost of the pericardial membranes
cardiac reserve
venous return
fibrous epicardium
bicuspid valve
14. Purpose of teh coronary vessels
atrium
bicuspid valve
epicardium
supply the heart with oxygenated blood
15. Contraction of chambers of the heart
systole
aorta
SA node
endocardium
16. Area in the thoracic cavity between the lungs
mediastinum
fibrous epicardium
closure of the valves
is smooth to prevent abnormal clotting within the heart
17. Natural pacemaker of the heart
stenosis...
SA node
cardiac output
pressoreceptors in teh carotid and aortic sinuses
18. The chambers of teh heart that receive blood from the veins
medulla
right and left atria
myocardium
mediastinum
19. Prevents backflow of blood from teh right ventricle to the right atrium
tricuspid valve
bundle of His...
systole
60-80
20. Irregular heartbeats
arrhythmias
ECG
supply the heart with oxygenated blood
tricuspid valve
21. Narrowing of a valve
aorta
superior and inferior caval veins
stenosis...
bundle of His...
22. Part of the myocardium is deprived of its blood supply and becomes ______
ischemia
mediastinum
venous return
SA node
23. The amount of blood that returns to teh heart
venous return
bradycardia
sodium ions and water
diastole
24. Changes in blood pressure are detected by
medial to the lungs and superior to the diaphragm
stenosis...
pressoreceptors in teh carotid and aortic sinuses
aorta
25. Amount of blood pumped by a ventricle in 1 minute
fibrous epicardium
SA node
cardiac output
aorta
26. Relaxation
diastole
epicardium
aortic and pulmonary semilunar valves
sodium ions and water
27. Nerves that transmit impulses to decrease the heart rate are the ____
cardiac reserve
stroke volume
superior and inferior caval veins
vagus nerves
28. First part of the cardia conduction pathway in teh ventircles
bundle of His...
venous return
sodium ions and water
closure of the valves
29. Funciton of the serous fluid of teh pericardial membranes
venous return
cardiac cycle
prevent friction as the heart beats
aorta
30. Normal range of heart rate for a healthy adult is _____ bpm
cardiac cycle
superior and inferior caval veins
60-80
atrium
31. Each normal heartbeat is initiated by this
SA node
systole
epicardium
right and left atria
32. Heart is located here
medulla
fibrullation
medial to the lungs and superior to the diaphragm
SA node
33. Hormone ANP increases loss of ____in urine to decrease blood volume and blood pressure
is smooth to prevent abnormal clotting within the heart
systole
vagus nerves
sodium ions and water
34. Amount of blood pumped by a ventricle per beat
stroke volume
atrium
stenosis...
vagus nerves
35. Visceral pericardium
epicardium
medulla
medial to the lungs and superior to the diaphragm
cardiac cycle
36. Largest artery of the body
epicardium
fibrullation
aorta
endocardium
37. Backflow o fblood from the arteries to the ventricles is prevented by these
aortic and pulmonary semilunar valves
is smooth to prevent abnormal clotting within the heart
aorta
venous return
38. Contraction
epicardium
cardiac output
aortic and pulmonary semilunar valves
systole
39. Upper chamber of the heart
fibrous epicardium
atrium
arrhythmias
sodium ions and water
40. The centers that regulate heart rate located in the___
prevent friction as the heart beats
medulla
mediastinum
stenosis...
41. Coronary sinus receives blood directly from this
venous return
endocardium
medial to the lungs and superior to the diaphragm
coronary veins
42. Sequence of events in one heartbeat
endocardium
systole
cardiac cycle
atrium
43. Very rapid and uncoordinated ventricular beat
cardiac output
systole
diastole
fibrullation